Year |
1st Place |
| 2022 | Dr Tiandra Ceyhan |
| 2021 | Dr Matthew Quinn |
| 2020 | No adjudication due to COVID |
| 2019 | Dr Jacob Rullo |
| 2018 |
Dr Jacob Rullo Dr Mark Xu |
| 2017 |
Dr Tim Ratzlaff Dr Jacob Rullo |
| 2016 | Dr Cornelis de Jager |
| 2015 | Dr Ashley Brissette |
| 2014 | Dr Davin Johnson |
| 2013 | Dr Davin Johnson |
| 2012 | Dr Christine Law |
| 2011 | Dr Mark Bona |
| 2008 | Dr Yi Ning Strube |
| 2007 |
Dr Delan Jinapriya Dr Yi Ning Strube |
| 2006 | Dr Delan Jinapriya |
| 2005 | Dr Delan Jinapriya |